<%@ page contentType="text/html; charset=UTF-8" %><%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %><%	request.setCharacterEncoding("UTF-8");	String cp = request.getContextPath();%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title></head><body><form action="" method="post">su1 : <input type="text" name="su1"/><br/>su2 : <input type="text" name="su2"/><br/><input type="submit" value="result"/><br/></form><c:if test="${!empty param.su1 }">    <c:set var="result" value="1"/>        <c:forEach var="a" begin="1" end="${param.su2}" step="1">            <c:set var="result" value="${result * param.su1 }"/>                ${param.su1 } ^ ${a } = ${result }<br>        </c:forEach></c:if></body></html>